Box doesn't crash when cetering a nil texture

box.go

@@ -19,7 +19,6 @@ type box struct {
 	parent   parent
 	outer    anyBox
 
-	visible             bool
 	bounds              image.Rectangle
 	minSize             image.Point
 	userMinSize         image.Point
@@ -175,16 +174,6 @@ func (this *box) SetPadding (padding tomo.Inset) {
 	this.invalidateMinimum()
 }
 
-func (this *box) SetVisible (visible bool) {
-	if this.visible == visible { return }
-	this.visible = visible
-	this.invalidateMinimum()
-}
-
-func (this *box) Visible () bool {
-	return this.visible
-}
-
 func (this *box) SetDNDData (dat data.Data) {
 	this.dndData = dat
 }
@@ -337,7 +326,7 @@ func (this *box) Draw (can canvas.Canvas) {
 	pen.Rectangle(bounds)
 
 	// centered texture
-	if this.textureMode == textureModeCenter {
+	if this.textureMode == textureModeCenter && this.texture != nil {
 		textureBounds := this.texture.Bounds()
 		textureOrigin :=
 			bounds.Min.

go.mod

@@ -3,7 +3,7 @@ module git.tebibyte.media/tomo/x
 go 1.20
 
 require (
-	git.tebibyte.media/tomo/tomo v0.33.0
+	git.tebibyte.media/tomo/tomo v0.34.0
 	git.tebibyte.media/tomo/typeset v0.7.1
 	git.tebibyte.media/tomo/xgbkb v1.0.1
 	github.com/jezek/xgb v1.1.0

go.sum

@@ -1,6 +1,6 @@
 git.tebibyte.media/sashakoshka/xgbkb v1.0.0/go.mod h1:pNcE6TRO93vHd6q42SdwLSTTj25L0Yzggz7yLe0JV6Q=
-git.tebibyte.media/tomo/tomo v0.33.0 h1:BBm1oRsogBLeqVKeevNqG9RPCOdmbGeiQM/9hd2GHE8=
-git.tebibyte.media/tomo/tomo v0.33.0/go.mod h1:C9EzepS9wjkTJjnZaPBh22YvVPyA4hbBAJVU20Rdmps=
+git.tebibyte.media/tomo/tomo v0.34.0 h1:r5yJPks9rtzdDI2RyAUdqa1qb6BebG0QFe2cTmcFi+0=
+git.tebibyte.media/tomo/tomo v0.34.0/go.mod h1:C9EzepS9wjkTJjnZaPBh22YvVPyA4hbBAJVU20Rdmps=
 git.tebibyte.media/tomo/typeset v0.7.1 h1:aZrsHwCG5ZB4f5CruRFsxLv5ezJUCFUFsQJJso2sXQ8=
 git.tebibyte.media/tomo/typeset v0.7.1/go.mod h1:PwDpSdBF3l/EzoIsa2ME7QffVVajnTHZN6l3MHEGe1g=
 git.tebibyte.media/tomo/xgbkb v1.0.1 h1:b3HDUopjdQp1MZrb5Vpil4bOtk3NnNXtfQW27Blw2kE=